10% of what number is 60?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr